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Publication:3074348
zbMath1211.34033MaRDI QIDQ3074348
Publication date: 8 February 2011
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sturm-Liouville theory (34B24) Eigenfunctions, eigenfunction expansions, completeness of eigenfunctions of ordinary differential operators (34L10) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)
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